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Keywords
- Astrolabes[remove]55
- Early works51
- Manuscripts, Arabic37
- New Jersey--Princeton36
- Astronomy, Arab33
- Manuscripts, Persian24
- Islamic Empire21
- Astronomical instruments15
- diagrams14
- Quadrants (Astronomical instruments)12
- History11
- codices (bound manuscripts)11
- manuscripts (documents)9
- Almucantar8
- Manuscripts, Turkish8
- Eighteenth century7
- Fifteenth century7
- Geometry7
- Mathematics, Arab7
- Sources7